Home / 1,015,054.20-1,398,519.18-670,277.88

Finding the Fourth Proportional to 1,015,054.20, 1,398,519.18 and 670,277.88

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Solution

The fourth proportional to 1,015,054.20, 1,398,519.18 and 670,277.88 is: 923,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,054.20 : 1,398,519.18 = 670,277.88 : x
  2. Step 2: Convert to fraction form
    1,015,054.20/1,398,519.18 = 670,277.88/x
  3. Step 3: Cross multiply
    1,015,054.20x = 1,398,519.18 × 670,277.88
  4. Step 4: Simplify right side
    1,015,054.20x = 937,396,471,109.74
  5. Step 5: Solve for x
    x = 937,396,471,109.74/1,015,054.20
  6. Step 6: Final answer
    x = 923,494.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.